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प्रश्न
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
उत्तर
Radio waves are used by astronauts to communicate with one another on moon because radio waves do not require any material medium for its propagation.
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संबंधित प्रश्न
Can two person hear each other on moon’s surface ? Give reason to support your answer.
The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.
Through which of the following materials can sound travel? wood, air, water, steam, ice, hydrogen, steel, diamond.
The sound waves travel fastest :
Complete the following sentences :
When sound travels in a medium, the particles of medium ___________ but the disturbance ___________.
Name the Sound of the Frequency Given Below:
2000 Hz
______ is the distance between two consecutive particles.
______ is the number of vibrations of a particle in the medium, in one second
In any medium, as the ______ increases, the speed of sound also increases.
Find the odd one out.
